From 2f6546dd432ec1cae7eb9772dad9db86ca40fb87 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@redhat.com>
Date: Wed, 22 Jun 2016 11:26:52 -0400
Subject: [PATCH] os/bluestore: fix locking for _dump_blob_map

Signed-off-by: Sage Weil <sage@redhat.com>
---
 src/os/bluestore/BlueStore.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/os/bluestore/BlueStore.cc b/src/os/bluestore/BlueStore.cc
index 506db30ca35..5ef8ef9be02 100644
--- a/src/os/bluestore/BlueStore.cc
+++ b/src/os/bluestore/BlueStore.cc
@@ -5250,6 +5250,7 @@ void BlueStore::_dump_blob_map(BlobMap &bm, int log_level)
       dout(log_level) << __func__ << "       csum: " << std::hex << v << std::dec
 		      << dendl;
     }
+    std::lock_guard<std::mutex> l(b.bc.cache->lock);
     if (!b.bc.empty()) {
       for (auto& i : b.bc.buffer_map) {
 	dout(log_level) << __func__ << "       0x" << std::hex << i.first
-- 
2.47.3